Use this puzzle conserver to preserve your favourite puzzles after completion and assist with their display Use this puzzle conserver to preserve your favourite puzzles after completion and assist with their display. The bottle dispenser comes with a foam spreader and the clear liquid conserver dries after 1 hour. Puzzle conserver can be used with all Ravensburger puzzles. Each tube contains enough glue for 8 puzzles with 500 pieces or 4 puzzles with 1,000 pieces.Box Size: 18 cm x 5 cm diaSuitable for Adults.